QuexBook is a mobile learning module patterned on the Department of Education’s K12 Curriculum Guide (DepEd K to 12 CG) designed to enhance and strengthened knowledge about various subjects in Junior High and Senior High Subjects.
Earth Science is composed of almost 470 questions with solutions and is equivalent to 550-page Book.
It contains the following topics:
I. Origin and Structure of the Earth
II. Earth Materials and Resources
III. Earth Processes
IV. History of the Earth